Now to the story about -- that is giving vultures a bad name. We're calling it the real-life angry birds. Why are vultures tacki cars in a famous national park. John muller has been hard on the case investigating. It is a strange one, guys. These real-life angry birds are creepy to begin with, vultures, they circle over wounded animals, they have a new item on their menu and you could be the target if you're in a car in the florida everglades. From gators to snakes, in florida's everglades you have to go in expecting some danger. The newest threat to visitors is this. We've had a huge increase in the numbers of bladed vultures coming down here. Reporter: A real-life game of angry birds. Flocks of black vultures waiting to make a feel out of your car. The patron is way when the vehicle and they get down quickly. These birds, only takes a few minutes to do that kind of damage. Reporter: As the number of these birds migrating grows the fight to co-exist is getting fierce. For now the birds are inwithing at the expense of any rubber they can sink their beaks into, weather stripping, even tires and truck liners. Biologists and park services have exhausted every strategy trying to fight off the flying attacks. We had to set up effigies to scare them away. They tried things like poppers, small fireworks. They come back so seems to be only a temporary fix right now. Reporter: So as the assault from the air continues humans are playing the part of the green pig. Fortifying our cars beneath what the rangers call the vultureproofing kit. A tarp and bungee cords handed out for free to park visitors along with extensive signs w an ominous message, warning, vultures may cause damage to vehicles. All right, so why are they munching on car parts. Technically they are not, just ripping the stuff endiscarding it. The behavior stems from boredom or some kind of ritualistic behavior they use to bond. Kind of makes pigeon droppings seem warm and fuzzy. Vulture hooliganism. Not an attractive bird either. Coming up here on the broadcast the swamp rescue. An intense air and ground search

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